Problem Possible Cause Solution
Circuit breaker button is
projecting from the back of
the unit.
Circuit breaker has tripped
due to an overload.
Turn the UPS off and unplug at least one
piece of equipment. Wait 10 seconds, reset the
circuit breaker by pressing the button in, and
then turn the UPS on.
The UPS does not perform
expected runtime.
Batteries are not fully
charged.
Recharge the battery by leaving the UPS
plugged in.
Batteries are worn out.
Contact CyberPower Systems about replace-
ment batteries.
The UPS will not turn on.
The on/off switch is de-
signed to prevent damage
from rapidly turning it off
and on.
Turn the UPS off. Wait 10 seconds and then
turn the UPS on.
The unit is not connected to
an AC outlet.
The unit must be connected to a 120V
50/60Hz outlet.
Batteries are worn out.
Contact CyberPower Systems about replace-
ment batteries.
Mechanical problem. Contact CyberPower Systems for repair.
PowerPanel® Business
is inactive.
The USB/serial cable is not
connected.
Connect the USB/serial cable to the UPS unit
and an open USB/serial port on the back of
the computer. You must use the cable that
came with the unit.
The USB/serial cable is con-
nected to the wrong port.
Check the back of the computer for an
additional USB/serial port. Move the cable
to this port.
The serial cable is not the
cable that came with the
unit.
Please use the serial cable that came with the
unit for the software.
TROUBLESHOOTING
Additional troubleshooting information can be found at “Support” at www.CyberPowerSystems.com
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